Question

Find the measurement of the question mark. please help image included.

Answer 1

9514 1404 393

Answer:

45°

Explanation:

The base angles in any isosceles triangle are congruent.

? = 45°

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The acute angles in any right triangle are complementary.

? = 90° -45° = 45°

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However you decide to think about it, you get ? = 45°.